MRP-120 系列RCD测试仪 MRP-120 珠海康宝莱仪表有限公司

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产品名称：MRP-120 系列RCD测试仪
产品型号：MRP-120
产品厂商：COMBINE
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简单介绍：

Index:WMGBMRP120 The MRP-120 is a small portable meter for testing installations with AC type RCD. It measures all the important parameters of the installation including disconnection time and current

详情介绍：

The MRP-120 is a small portable meter for testing installations with AC type RCD. It measures all the important parameters of the installation including disconnection time and current, contact voltage and earth resistance. The test results can be stored in the internal memory and send to a computer via serial interface.

MRP-120 Technical Specifications

Testing AC residual current circuit breakers:
- measurement of tripping current I_A
- measurement of disconnection time t_A
- testing of standard and selective RCDs for the rated current values 10, 30, 100, 300 and 500 mA,
- testing current waveform: sinusoidal, selection of initial phase (0° or 180°),
- ability to measure touch voltage U_B and earth resistance R_E without tripping the circuit breaker,
- select safe voltage value threshold at 25V and 50V and additionally at 12.5V for selective RCDs,
- protection against exceeding the safe voltage setting during a measurement,
- detection of L and N leads swap and its automatic correction performed internally by the meter.
AC voltmeter function in the range 0...250V.
Rapid check of PE lead connection using a touch electrode.
Backlit LCD.
Memory to store up to 400 cels of measurement results with an ability to transfer the data to a PC.
Battery status indicator.
AUTO-OFF function.
Meter meets the requirements of the standard EN 61557.

Rated operational conditions:
- operating temperature: 0...+40°C
- storage temperature: -20...+60°C
- reference temperature: +23 ± 2°C
- temperature coefficient:
for touch voltage measurements: ± 1% of the measured value ± 1 digit /10°C
for disconnection current measurement: ± 0,5% of the measured value /10°C
- rated mains voltage: 187...250V
- rated mains frequency: 50Hz ±0,5Hz

Electric security:
- type of insulation: double, according to EN 61010-1 and IEC 61557
- measurement category: CAT III 300V acc. to EN 61010-1
- protection class acc. to EN 60529: IP40

Other technical data:
- voltage range for RCD testing: 187...250V
- power supply: alkaline batteries LR6 (AA) (2 pcs.)
- dimensions: 230 x 67 x 35 mm
- weight: approx. 380 g
- time to auto-off: 2 minutes
- display: LCD 3 digits, 14mm high
- quality standard: ISO 9001

Earthing resistance measurement (R_E):

Selected rated RCD current	Range	Resolution	Measurement current	Accuracy
10mA	0,01...5,00kΩ	0,01kΩ	4mA	0...+10% m.v. ± 5 digits
30mA	0,01...1,66kΩ	0,01kΩ	12mA	0...+10% m.v. ± 3 digits
100mA	1...500Ω	1Ω	40mA	0...+4% m.v. ± 4 digits
300mA	1...166Ω		120mA	0...+4% m.v. ± 4 digits
500mA	1...100Ω		200mA	0...+4% m.v. ± 3 digits

RCD disconnection test and the response time measurement t_A

RCD type	Range	Resolution	Accuracy
Standard	0...200ms	1ms	±(2%m.v. + 1 digits)
Selective	0...500ms	1ms	±(2%m.v. + 1 digits)

RCD disconnecting current measurement for a sine AC test current (I_A)

Selected rated RCD current	Range	Resolution	Measurement current	Accuracy
10mA	3,3...10,0mA	0,1mA	0,3mA x I_Δn ...1,0mA x I_Δn	±5% I_Δn
30mA	9,0...30,0mA	0,1mA
100mA	33...100mA	1mA
300mA	90...300mA
500mA	150...500mA

• start of the measurement can be selected either from the positive or negative half sine
period of the test current
• test current flow time - max. 3200ms

I_Δn - rated residual current value RCD

AC voltage measurement

Range	Resolution	Accuracy
_0...250V	1V	±(1% m.v. + 2 digits)

Touch voltage measurement referred to the rated residual current (U_B)
Test range: 10...50V

Selected rated RCD current	Range	Resolution	Measurement current	Accuracy
10mA	0...50V	0,1V	4mA	0...+10% m.v. ± 5 digits
30mA			12mA	0...+10% m.v. ± 5 digits
100mA			40mA	0...+4% m.v. ± 5 digits
300mA			120mA
500mA			200mA

„m.v.” - measured value.

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产品名称：MRP-120 系列RCD测试仪